multibib – Multiple bibliographies within one document

The pack­age the cre­ation of ref­er­ences to mul­ti­ple bib­li­ogra­phies
within one doc­u­ment. It thus pro­vides com­ple­men­tary
func­tion­al­ity to pack­ages like
bi­bunits and
chap­ter­bib, which al­low the
cre­ation of one bib­li­og­ra­phy for mul­ti­ple, but dif­fer­ent parts
of the doc­u­ment.